Home / 30,316.86-45,464.21-11,587.64

Finding the Fourth Proportional to 30,316.86, 45,464.21 and 11,587.64

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Solution

The fourth proportional to 30,316.86, 45,464.21 and 11,587.64 is: 17,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.86 : 45,464.21 = 11,587.64 : x
  2. Step 2: Convert to fraction form
    30,316.86/45,464.21 = 11,587.64/x
  3. Step 3: Cross multiply
    30,316.86x = 45,464.21 × 11,587.64
  4. Step 4: Simplify right side
    30,316.86x = 526,822,613.11
  5. Step 5: Solve for x
    x = 526,822,613.11/30,316.86
  6. Step 6: Final answer
    x = 17,377.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.